If depth perception works because the brain checks the difference in the position of the object between the two eyes and concludes how far away it is, how can we still see depth when one eye is closed?

Question

If depth perception works because the brain checks the difference in the position of the object between the two eyes and concludes how far away it is, how can we still see depth when one eye is closed?

In: 3602

Answer 1

You really can’t. Your brain does its best to extrapolates what it computes as depth with one eye closed, but the brain could be easily fooled. Someone who is blind in one eye will have significant depth perception problems.